This is the 170th most frequent Indonesian word.
mana
"Mana" means "where" or "which" depending on the context.
Here, 'mana' is used as part of the interrogative 'di mana' to ask for a location.
Di mana kamu tinggal?
Where do you live?
'Mana' is used to form the question word 'which' to inquire about a specific selection.
Pilihan mana yang kamu pilih?
Which choice do you choose?
In this case, 'mana' identifies the specific item being referred to in the question.